21. Letter from Michael Heidelberger to Salvador E. Luria Publication: Produced: 27 February 1947 Subject(s): World War IIBiological WarfarePoliticsChemical Warfare Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
22. Biological Warfare and the Extinction of Man Publication: Stanford Medical Alumni Association, 1969 Subject(s): EthicsPublic HealthBiological Warfare Archival Collection: The Joshua Lederberg Papers (Profiles in Science)